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U.S. ICD-10-CM · FY 2027

H95.131 ICD-10-CM Code: Mucosal cyst of postmastoidectomy cavity, right ear

A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.

Code definition

Official description

H95.131

Mucosal cyst of postmastoidectomy cavity, right ear

ICD-10-CM diagnosis code · United States clinical modification

Classification

Where H95.131 sits

  1. 1

    Chapter 8

    Diseases of the ear and mastoid process (H60-H95)

  2. 2

    Section

    Intraoperative and postprocedural complications and disorders of ear and mastoid process, not elsewhere classified (H95)

  3. 3

    Category H95

    Intraoperative and postprocedural complications and disorders of ear and mastoid process, not elsewhere classified

  4. 4

    Subcategory H95.13

    Mucosal cyst of postmastoidectomy cavity

  5. 5

    Code H95.131

    Mucosal cyst of postmastoidectomy cavity, right ear

Documentation details

Notes for this code

Inclusion terms

No inclusion terms are listed for H95.131.

Code first

No “code first” instruction is listed for H95.131.

Use additional code

No “use additional code” instruction is listed for H95.131.

Excludes1

Conditions that should not be reported together with this code.

No Excludes1 note is listed for H95.131.

Excludes2

Conditions not included here that may be reported separately when present.

No Excludes2 note is listed for H95.131.

Transparency

Source and release

Data release

U.S. ICD-10-CM · FY 2027

Effective date

Oct 1, 2026

This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.

Review the CDC/NCHS ICD-10-CM source

Code-specific guidance

Frequently asked questions

What does ICD-10-CM code H95.131 mean?

H95.131 is the FY 2027 U.S. ICD-10-CM code for “Mucosal cyst of postmastoidectomy cavity, right ear.”

Is H95.131 a billable or specific ICD-10-CM code?

Yes. In the FY 2027 reference data used on this page, H95.131 has no child codes and is presented as a billable/specific code. Always confirm the active code set and payer requirements before use.

Where is H95.131 located in ICD-10-CM?

H95.131 is listed in Chapter 8, Diseases of the ear and mastoid process (H60-H95), within Intraoperative and postprocedural complications and disorders of ear and mastoid process, not elsewhere classified (H95) (H95–H95), under category H95, Intraoperative and postprocedural complications and disorders of ear and mastoid process, not elsewhere classified and subcategory H95.13, Mucosal cyst of postmastoidectomy cavity.

What coding notes are listed for H95.131?

No inclusion terms are listed for H95.131 in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.

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